Home / 451,933.40-623,647.18-247,979.24

Finding the Fourth Proportional to 451,933.40, 623,647.18 and 247,979.24

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Solution

The fourth proportional to 451,933.40, 623,647.18 and 247,979.24 is: 342,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,933.40 : 623,647.18 = 247,979.24 : x
  2. Step 2: Convert to fraction form
    451,933.40/623,647.18 = 247,979.24/x
  3. Step 3: Cross multiply
    451,933.40x = 623,647.18 × 247,979.24
  4. Step 4: Simplify right side
    451,933.40x = 154,651,553,724.54
  5. Step 5: Solve for x
    x = 154,651,553,724.54/451,933.40
  6. Step 6: Final answer
    x = 342,199.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.